Abstract：Research purposes: To provide the basis of compiling ”Code for design of retaining structures of railway subgrade".
Research methods: Adopting the methods of combining study of theory with analysis through testing, statistation by calculating and checking.
Research results: This paper set up an expression for designing the gravity retaining wall based on Reliability Theory, calculated and counted reliability index for designing the gravity retaining wall according to current code, proposed objective reliability index, finally put forward reference value fur design principle and calculating methods with reliability theory of gravity retaining wall.
Research conclusions: The objective reliability index suggested can satisfy the demand of engineering. The size of gravity retaining wall designed by the expression advanced is close to tradition. The reference value of Load partial coefficients is near to the value in America standard. The formulas, the objective reliability index and the partial coefficients about gravity retaining wall may he regard as reference，when”Code for design on retaining structures of railway subgrade " is compiled
罗一农. 重力式挡土墙可靠度设计方法研究[J]. 铁道工程学报, 2007, 24(8): 27-29.
LUO Yi-nong. Research on the Reliability Design of Gravity Retaining Wall. 铁道工程学报, 2007, 24(8): 27-29.
2007, Vol. 24 
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